Arachnophobia — (from Greek arachne (αράχνη), spider and phobia (φοβία), fear ) is a specific phobia, an abnormal fear of spiders. It is among the most common of all phobias. The reactions of arachnophobics often seem irrational to others (and sometimes to the… … Wikipedia

Evolutionary psychology — (EP) attempts to explain mental and psychological traits such as memory, perception, or language as adaptations, that is, as the functional products of natural selection or sexual selection. Adaptationist thinking about physiological mechanisms,… … Wikipedia

CDC 6600 — The CDC 6600 was a mainframe computer from Control Data Corporation, first delivered in 1964. It is generally considered to be the first successful supercomputer, outperforming its fastest predecessor, IBM 7030 Stretch, by about three times. It… … Wikipedia